Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the
dp_aux_device_type_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <rica...@marliere.net>
---
 drivers/gpu/drm/display/drm_dp_aux_bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/display/drm_dp_aux_bus.c 
b/drivers/gpu/drm/display/drm_dp_aux_bus.c
index 5afc26be9d2a..f4c66937ef79 100644
--- a/drivers/gpu/drm/display/drm_dp_aux_bus.c
+++ b/drivers/gpu/drm/display/drm_dp_aux_bus.c
@@ -166,7 +166,7 @@ static int dp_aux_ep_dev_modalias(const struct device *dev, 
struct kobj_uevent_e
        return of_device_uevent_modalias(dev, env);
 }
 
-static struct device_type dp_aux_device_type_type = {
+static const struct device_type dp_aux_device_type_type = {
        .groups         = dp_aux_ep_dev_groups,
        .uevent         = dp_aux_ep_dev_modalias,
        .release        = dp_aux_ep_dev_release,

-- 
2.43.0

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